Civil Engineering in
Widnau

5 companies in Civil Engineering based in Widnau — name and year of registration from the commercial register. The list below shows them all.

Companies

All 5 companies in Widnau

Gebr. Kühnis AG, Widnau

Since 1972

Above-ground constructionUnderground constructionChimney construction

View profile5(4)

Köppel-Vogel Grundbau AG

Since 2010

Pile foundationsSheet pilingVibration measurements

View profile5(1)

Kurt Heule GmbH

Since 2014

Ventilation hygiene and ventilation cleaningHygiene inspection according to VDI 6022Cleaning of photovoltaic systems

STB Lohnfahrten GmbH

Since 2022

Casanova Tech GmbH

Since 2026

Civil Engineering in Widnau

5Civil EngineeringCommercial register (Zefix) · as of September 15, 2026

2014Median year of registrationCommercial register (Zefix) · as of September 15, 2026

311in the Canton of St. GallenCommercial register (Zefix) · as of September 15, 2026

3,348in SwitzerlandCommercial register (Zefix) · as of September 15, 2026

Locations

Civil Engineering in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of September 15, 2026

Largest places

St. Gallen30 Oberriet SG8 Wattwil8 Wil SG8 Gossau SG7 Jona7 Diepoldsau6 Sevelen6 Buchs SG6 Rheineck5

Place axis

Other industries in Widnau

All companies in Widnau

Property Management63 Real Estate Project Development57 Management Consulting45 Holding Companies44 Real Estate Brokerage39 IT Consulting & Services33 Wholesale - General Specialty Trade25 Automotive & Vehicle Trade23 Technical Consulting & Engineering22 Building Maintenance21 Architecture Firms20 Restaurants20 General Contractors17 Mechanical Engineering Industry17 Wholesale - Machinery & Technical Equipment17 Coaching & Personal Development16 Construction & Project Management16 Metal Construction16 Painting & Plastering16 Hair Salons16 Facility Management & Cleaning15 Advertising Agencies14 Auto Repair Shops14 Online Shops14 Logistics & Transport Companies14 Beauty Salons13 Medical Technology Industry13 Software Development13 Other Service Industries12 Interior Construction12 General Goods Production11 Retail - Textiles & Clothing11 Building Construction10 Electrical Planning & Installation10 Retail - Food & Luxury Items10 Recruitment & HR Consulting9 Trade Fair & Event Organizers9 Horticulture & Landscaping9 Sealing & Insulation9 Flooring & Tiling9 Joinery9 Plumbing & Building Services9 Solar & Photovoltaics9 Fiduciary Offices9 Metal Industry9 Textile & Clothing Industry9 Retail - General Specialty Trade9 Photography8

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